The EV2770-L-00A is an evaluation board designed to demonstrate the capabilities of the MP2770, a highly integrated, flexible, switch-mode battery charge management and system power path management device. It is designed for single-cell Li-ion and Li-polymer batteries used in a wide variety of portable applications.
The MP2770 has an integrated IN to SYS pass-through path to pass input voltage (VIN) to the system, even while charging is disabled. When VIN is present, the device operates in charge mode. The MP2770 manages the input power and meets the majority of the system’s power demand using its integrated input current limit (IIN_LIM) and VIN regulation function.
If VIN is not present, the MP2770 enters boost mode to power IN or SYS from the battery. The IC can flexibly configure the charging and boost parameters via the digital interface. These configurable parameters include the input clamp voltage, IIN_LIM, charge current (ICHG), charger full voltage, boost output voltage (VBST), and current limit (ILIMIT).
The EV2770-L-00A supports 5V to 15V input sources, including standard USB host ports and wall adapters with fast charging capabilities. The EV2770-L-00A supports boost output operation by supplying 4.3V to 16V of voltage with a maximum 3.65A load.
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3.6V to 4.45V Configurable Charge Regulation Voltage with ±0.5% Accuracy
Supports USB 2.0, USB 3.0, USB 3.1, USB 3.2, USB Type-C, and USB Power Delivery (PD) Input Current Limit (IIN_LIMIT) Settings
Minimum VIN Loop for Maximum Adapter Power Tracking
Up to 22.5W Boost Output Power with a 3V Battery
4.3V to 16V BST Voltage (VBST) with 20mV/Step
500mA to 3.65A Boost Current (IBOOST) with 50mA/Step
Down to 12μA Battery Leakage in Standby Mode
5mΩ/10mΩ Battery Current-Sense Resistor
Battery Discharge Current Limiting
Up to 1.6x Overload Capability for 2ms
Light-Load Detection and Output Plug-In Detection for the SYS Port
Integrated 8-Bit Analog-to-Digital Converter (ADC) to Monitor VIN, the System Voltage (VSYS), Battery Voltage (VBATT), PMID Voltage (VPMID), IQ1 Current (IQ1), Battery Current (IBATT), SYS Current (ISYS), and NTC
Digital Interface for Real-Time Charge Parameter Configuration and Status Reporting
Comprehensive Safety Features:
Charging Safety Timer
Watchdog Timer
Thermal Regulation and Shutdown
Customizable JEITA for Battery Temperature Monitoring
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